21256524

素因数分解:

$2^2\times 3^2\times {\mathrm{373}}^1\times {\mathrm{1583}}^1$

素因数の和:1966

約数の個数: 36

約数和(自身を含む): 53909856

約数和(自身を除く): 32653332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 373, 746, 1119, 1492, 1583, 2238, 3166, 3357, 4476, 4749, 6332, 6714, 9498, 13428, 14247, 18996, 28494, 56988, 590459, 1180918, 1771377, 2361836, 3542754, 5314131, 7085508, 10628262, 21256524]

約数ペア:

[(1, 21256524), (2, 10628262), (3, 7085508), (4, 5314131), (6, 3542754), (9, 2361836), (12, 1771377), (18, 1180918), (36, 590459), (373, 56988), (746, 28494), (1119, 18996), (1492, 14247), (1583, 13428), (2238, 9498), (3166, 6714), (3357, 6332), (4476, 4749)]